Home / 2,227,730.87-3,074,186.36-1,209,113.75

Finding the Fourth Proportional to 2,227,730.87, 3,074,186.36 and 1,209,113.75

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Solution

The fourth proportional to 2,227,730.87, 3,074,186.36 and 1,209,113.75 is: 1,668,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,730.87 : 3,074,186.36 = 1,209,113.75 : x
  2. Step 2: Convert to fraction form
    2,227,730.87/3,074,186.36 = 1,209,113.75/x
  3. Step 3: Cross multiply
    2,227,730.87x = 3,074,186.36 × 1,209,113.75
  4. Step 4: Simplify right side
    2,227,730.87x = 3,717,040,976,521.95
  5. Step 5: Solve for x
    x = 3,717,040,976,521.95/2,227,730.87
  6. Step 6: Final answer
    x = 1,668,532.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.